Re: WaterPump on '99 4.3
I changed it out today. It wasn't as hard as I thought separating the fan clutch from the water pump. I held a wrench on a bolt on the pulley & a friend pulled on the wrench for the fan clutch. No hammer needed. Flushed it out really good to make sure all the DexCool coolant was out & refilled with Prestone & water.....
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